Question: When did Katharine Hepburn marry Ludlow Ogden Smith and when did they divorce
Paraphrase: In what year was Katharine Hepburn married to Ludlow Ogden Smith and what year were they divorced?
SPARQL (Wikidata): SELECT ?value1 ?value2 WHERE { wd:Q56016 p:P26 ?s . ?s ps:P26 wd:Q22326909 . ?s pq:P580 ?value1 . ?s pq:P582 ?value2 }